摘要:
The present invention is directed to an electroconductive thick film paste composition comprising Ag and a Pb-free bismuth-tellurium-oxide both dispersed in an organic medium. The present invention is further directed to an electrode formed from the paste composition and a semiconductor device and, in particular, a solar cell comprising such an electrode. The present invention is also directed to the bismuth-tellurium oxide that is a component of thick film pastes.
摘要:
A process for the production of a front-side electrode on a non-textured silicon wafer having an ARC layer on its front-side, wherein the front-side electrode is printed from a silver paste and fired, wherein the silver paste comprises (i) an inorganic content comprising (a) 93 to 95 wt.-% of electrically conductive metal powder comprising 90 to 100 wt.-% of silver powder, (b) 1 to 7 wt.-% of at least one glass frit, (c) 0 to 6 wt.-% of at least one solid inorganic oxide and (d) 0 to 6 wt.-% of at least one compound capable of forming a solid inorganic oxide on firing and (ii) an organic vehicle, wherein the weight ratio between the electrically conductive metal powder and the glass frit plus solid inorganic oxide is >13 to 19 in the fired state.
摘要:
The invention relates to zinc -containing glass compositions useful in conductive pastes for silicon semiconductor devices and photovoltaic cells. Said glass compositions comprise: an electrically conductive material, a glass frit comprising SiO 2 , 27-45 wt% ZnO and 0.5-3 wt% P 2 O 5 and an organic medium.
摘要翻译:本发明涉及用于硅半导体器件和光伏电池的导电浆料中的含锌玻璃组合物。 所述玻璃组合物包括:导电材料,包含SiO 2,27-45重量%ZnO和0.5-3重量%P 2 O 5的玻璃料和有机介质。
摘要:
The invention relates to glass compositions useful in conductive pastes for silicon semiconductor devices and photovoltaic cells. The glass composition comprises the following components, expressed in wt%: SiO2 8-19%; B2O3 0-2%; F 1-17%; Bi 47-75%.
摘要翻译:本发明涉及可用于硅半导体器件和光伏电池的导电浆料中的玻璃组合物。 玻璃组合物包含以wt%表示的以下组分:SiO 2 8-19%; B2O3 0-2%; F 1-17%; Bi 47-75%。
摘要:
Embodiments of the invention relate to a silicon semiconductor device, and a conductive silver paste for use in the front side of a solar cell device.
摘要:
An aluminium paste having no or only poor fire-through capability comprises aluminium particles, at least one glass frit containing 0.5 to 15 wt.% SiO2, 0.3 to 10 wt.% Al2O3 and 67 to 75 wt.% Bi2O3 (the weight percentages being based on the total weight of the glass frit) and an organic vehicle. The aluminium paste is used in the manufacture of aluminium back electrodes of PERC (passivated emitter and rear contact) silicon solar cells, wherein the paste is applied on a perforated dielectric passivation layer on the back-side of a silicon wafer and subsequently dried and fired or, alternatively, wherein the paste is applied on a non-perforated passivation layer on the back-side of a silicon wafer, dried and fired and the aluminium layer and the passivation layer are subsequently laser fired to produce perforations in the passivation layer and to form local BSF (back surface field) contacts.
摘要翻译:没有或仅有差的穿火能力的铝浆包括铝颗粒,至少一种含有0.5至15重量%SiO 2,0.3至10重量%的Al 2 O 3和67至75重量%的Bi 2 O 3的玻璃料(重量百分数为 基于玻璃料的总重量)和有机载体。 铝浆用于制造PERC(钝化发射器和后接触)硅太阳能电池的铝背电极,其中将糊剂施加在硅晶片背面上的穿孔电介质钝化层上,随后干燥和烧制 或者替代地,其中将糊剂施加在硅晶片的背侧上的非穿孔钝化层上,干燥和烧制,随后激光烧制铝层和钝化层以在钝化层中产生穿孔,并且 形成本地BSF(背面场)接触。
摘要:
A silver paste having no or only poor fire-through capability comprises silver particles, at least one lead-free glass frit containing 0.5 to 15 wt.% SiO 2 , 0.3 to 10 wt.% Al 2 0 3 and 67 to 75 wt.% Bi 2 O 3 (the weight percentages being based on the total weight of the glass frit) and an organic vehicle, wherein the content of the silver particles in the paste is 60 to 92 wt.% based on total paste composition and wherein the paste is free from zinc oxide and compounds capable of generating zinc oxide on firing. The silver paste is used in the manufacture of metallisations (electrodes, parts of electrodes or other metal contacts) of solar cells.
摘要翻译:没有或只有不良的穿透能力的银膏包括银颗粒,至少一种含0.5至15重量%SiO 2,0.3至10重量%Al 2 O 3和67至75重量%Bi 2 O 3的无铅玻璃料 重量百分数是基于玻璃料的总重量)和有机载体,其中糊料中银粒子的含量基于总糊剂组合物为60至92重量%,并且其中糊料不含氧化锌和 能够在烧制时产生氧化锌的化合物。 银膏用于太阳能电池的金属化(电极,电极部分或其他金属接触)的制造。